Have to and Should

You ________ read other people's letters

• shouldn't

• don't have to

• musn't

Fire fighters ____ very healthy to do their job

• should be

• have to be

• may be

It's her birthday, Don't you think we ___ buy her a present?

• should

• shouldn't

• must

I ____ wear a uniform for my work. I'm a policeman

• should

• must

• have to

Fill in the blank with the correct modal verb: You _______ take a syrup if you have a cough.

• should

• must

• can

You _____ finish your homework before you go out to play.

• should

• don't have to

• must

My brother and I ______ lay the table for dinner

• have

• have to

• can

• should

You ______ use your mobile at school.

• shouldn't.

• can.

• mustn't

• don't have to

Mary _____ water the plants when her parents are on holiday

• mustn't

• has to

• can

• should

Fill in the blank with the correct modal verb: We _______ be polite to our elders.

• should

• must

• can